diff --git a/tsc/meeting-notes/2021/2021-05-20.md b/tsc/meeting-notes/2021/2021-05-20.md
index 373ce92..28257ff 100644
--- a/tsc/meeting-notes/2021/2021-05-20.md
+++ b/tsc/meeting-notes/2021/2021-05-20.md
@@ -38,4 +38,4 @@ Meeting link: <https://welink-meeting.zoom.us/j/314101678>
 
 ## Recording
 
-TBD
+Bilibili: <https://www.bilibili.com/video/BV1fN411o7fZ>
diff --git a/tsc/slides/2021/MindSpore-TSC-Meeting-2021-May-20.pdf b/tsc/slides/2021/MindSpore-TSC-Meeting-2021-May-20.pdf
new file mode 100644
index 0000000..23b1fb1
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